|Date from|Date to|Pos.|Name|From|
|---|---|---|---|---|
|3 August 2012|31 January 2013|FW|Benik Afobe|Arsenal|
|31 August 2012|30 June 2013|MF|Jay Spearing|Liverpool|
|21 September 2012|22 December 2012|DF|Stephen Warnock|Aston Villa|
|8 November 2012|5 January 2013|MF|Jacob Butterfield|Norwich City|
|25 January 2013|27 April 2013|DF|Craig Dawson|West Brom|
|25 January 2013|January 2014|MF|Ján Greguš|Baník Ostrava|
|31 January 2013|3 March 2013|MF|Steve De Ridder|Southampton|
|28 March 2013|30 June 2013|FW|Robert Hall|West Ham|
|28 March 2013|4 May 2013|DF|Danny Butterfield|Southampton|

Question: how many players were dfs?
Answer: 3